1 |
x |
1 |
y |
3x+7xy-3y |
2x-3xy-2y |
1 |
x |
1 |
y |
y-x |
xy |
3x+7xy-3y |
2x-3xy-2y |
3(x-y)+7xy |
2(x-y)-3xy |
-6xy+7xy |
-4xy-3xy |
xy |
-7xy |
1 |
7 |
3-a |
2a-4 |
5 |
a-2 |
x-4 |
x2-1 |
x2-3x-4 |
x2+2x+1 |
1 |
x-1 |
3+y |
2-x |
1 |
x-1 |
1 |
x+1 |
2x |
1-x |
x |
x2-1 |
1 |
x-1 |
1 |
x+1 |
1 |
a |
1 |
1-a |
a2-a+1 |
a2-2a+1 |
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